Pref service: support for incognito prefs

services/preferences/pref_store_manager_impl.h

Index: services/preferences/pref_store_manager_impl.h
diff --git a/services/preferences/pref_store_manager_impl.h b/services/preferences/pref_store_manager_impl.h
index b1771c6687a714950f1a1f1c1b849ac9688a36eb..81f785d3902ecaf5683f9c183fd7252e3e0e52bb 100644
--- a/services/preferences/pref_store_manager_impl.h
+++ b/services/preferences/pref_store_manager_impl.h
@@ -55,13 +55,15 @@ class PrefStoreManagerImpl : public mojom::PrefStoreRegistry,
   void Register(PrefValueStore::PrefStoreType type,
                 mojom::PrefStorePtr pref_store_ptr) override;
 
-  // mojom::PrefStoreConnector: |already_connected_types| must not include
-  // PrefValueStore::DEFAULT_STORE and PrefValueStore::USER_STORE as these must
-  // always be accessed through the service.
+  // mojom::PrefStoreConnector:
+  // |already_connected_types| must not include PrefValueStore::DEFAULT_STORE
+  // and PrefValueStore::USER_STORE as these must always be accessed through the
+  // service.
   void Connect(
       mojom::PrefRegistryPtr pref_registry,
       const std::vector<PrefValueStore::PrefStoreType>& already_connected_types,
       const ConnectCallback& callback) override;
+  void ConnectToUserPrefStore(mojom::PrefStoreRequest request) override;
 
   void BindPrefStoreConnectorRequest(
       const service_manager::BindSourceInfo& source_info,
@@ -90,6 +92,8 @@ class PrefStoreManagerImpl : public mojom::PrefStoreRegistry,
 
   void ProcessPendingConnects();
 
+  std::vector<std::string> RegisterPrefs(mojom::PrefRegistryPtr pref_registry);
+
   void ConnectImpl(
       mojom::PrefRegistryPtr pref_registry,
       const std::vector<PrefValueStore::PrefStoreType>& already_connected_types,
@@ -114,6 +118,14 @@ class PrefStoreManagerImpl : public mojom::PrefStoreRegistry,
   std::unique_ptr<PersistentPrefStoreImpl> persistent_pref_store_;
   mojo::Binding<mojom::PrefServiceControl> init_binding_;
 
+  mojom::PrefStoreConnectorPtr incognito_connector_;
+  // Read-only connections to the persistent pref store.
+  std::unique_ptr<mojo::BindingSet<mojom::PrefStore>>
+      ro_persistent_pref_store_bindings_;
+  // Requests queued until the persistent pref store is ready.
+  std::vector<mojom::PrefStoreRequest>
+      pending_ro_persistent_pref_store_requests_;
+
   const scoped_refptr<DefaultPrefStore> defaults_;
   const std::unique_ptr<PrefStoreImpl> defaults_wrapper_;